[R-SIG-Mac] hang on use of ESC in R 2.6.2

[Christoph Hofer]

Simon

I downloaded the  nightly builded R-GUI as you mentioned
and i still hangs when I try
the example of Charles

>> rnorm(10000)
>> then I press <Esc>

Is there any solution about this problem?

Regards

Christoph


Am 12.02.2008 um 21:47 schrieb Simon Urbanek:

> Charles,
>
> thanks a lot for the example. I have now fixed this issue in the
> current GUI. Please download and test the updated GUI tomorrow from
> http://r.research.att.com/
>
> Thanks,
> Simon
>
>
> On Feb 12, 2008, at 10:43 AM, Charles Hebert wrote:
>
>>> If R is stuck in a long computation in C code that doesn't call
>>> R_ProcessEvents, we're helpless. There is no way to stop that code
>>> until it finishes. Even if you press <Esc> it may not help (just  
>>> give
>>> you the beachball), because the event of you pressing <Esc> must
>>> first
>>> be processed so it can fire,
>>
>> Command :
>>
>> rnorm(10000)
>> then I press <Esc>
>>
>> reproduced the problem. It's not link to the computational time.
>>
>> Best regards, C.
>>
>> ~~
>>
>> Mac Intel - OS 10.5.1 / 10.5.2
>>
>>> sessionInfo()
>> R version 2.6.2 (2008-02-08)
>> i386-apple-darwin8.10.1
>>
>> locale:
>> fr_FR.UTF-8/fr_FR.UTF-8/fr_FR.UTF-8/C/fr_FR.UTF-8/fr_FR.UTF-8
>>
>> attached base packages:
>> [1] stats     graphics  grDevices utils     datasets  methods   base
>>
>>> desire so to find out what R is doing.
>>> To do so, start a Terminal (in parallel to your unresponsive R) and
>>> type:
>>> gdb
>>> attach R
>>>
>>> That should get you into the R process that is spinning. Now you can
>>> issue
>>> bt
>>> to see where it really is. Very likely it will be somewhere is the
>>> package performing the computation. But if it's not, then we want to
>>> know.
>>>
>>> Anyway, I suspect that this is not really something we can do much
>>> about (in the current GUI). The new GUI 2.0 is running R in a
>>> separate
>>> thread, so it is always responsive despite R being busy, hence we  
>>> can
>>> deal better with unresponsive R there.
>>>
>>> Cheers,
>>> Simon
>>>
>>> On Feb 10, 2008, at 10:53 AM, Ken Knoblauch wrote:
>>>
>>>> Hi,
>>>>
>>>> I notice with R 2.6.2 on a powerpc and on a MacBook Pro that if I
>>>> hit ESC to
>>>> annul running a line in the GUI, input hangs with the spinning  
>>>> beach
>>>> ball
>>>> for an indefinite period of time.  I haven't tried to see how long
>>>> it will
>>>> hang, but
>>>> it is at least several minutes too long.  Checking Force Quit
>>>> indicates that
>>>> R is not responding.
>>>>
>>>> On the power pc, w/ Tiger (but the same thing happens on my Intel
>>>> Mac w/
>>>> Leopard)
>>>> sessionInfo()
>>>> R version 2.6.2 (2008-02-08)
>>>> powerpc-apple-darwin8.10.1
>>>>
>>>> locale:
>>>> en_US.UTF-8/en_US.UTF-8/en_US.UTF-8/C/en_US.UTF-8/en_US.UTF-8
>>>>
>>>> attached base packages:
>>>> [1] stats     graphics  grDevices utils     datasets  methods    
>>>> base
>>>>
>>>>
>>>> Thanks.
>>>>
>>>> best,
>>>>
>>>> Ken
>>
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>
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